Diff: GroveTemp.cpp

Revision:

11:ac0ff76a6deb

Parent:

10:338191178cbf

--- a/GroveTemp.cpp	Mon May 18 00:44:59 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,50 +0,0 @@
-#include "mbed.h"
-#include <math.h>
-#include "GroveTemp.h"
-//
-AnalogIn thermistor(A0);   /* Temperature sensor connected to Analog Grove connector */
-
-GroveTempSensor::GroveTempSensor() {
-   resetMinMax();
-}
-
-float GroveTempSensor::getTemp() {
-   unsigned int analogRead;
-//                units, 
-//                tens;
-    
-   analogRead = thermistor.read_u16(); /* Read analog value */
-   
-   /* Calculate the resistance of the thermistor from analog votage read. */
-   resistance = (float) 10000.0 * ((65536.0 / analogRead) - 1.0);
-
-   /* Convert the resistance to temperature using Steinhart's Hart equation */
-   temperature = (1/((log(resistance/10000.0)/TEMP_BETA) + (1.0/298.15)))-273.15; 
-
-//   units = (int) temperature % 10;
-//   tens  = (int) temperature / 10;
-   if (temperature > maxTemp)
-      maxTemp = temperature;
-   if (temperature < minTemp)
-      minTemp = temperature;
-   
-   return temperature;
-}
-
-void GroveTempSensor::resetMinMax() {
-   maxTemp = -999.9;
-   minTemp = 999.9;
-   minMaxDefined = false;
-}
-
-float GroveTempSensor::getMin() {
-   if (!minMaxDefined)
-      getTemp();
-   return minTemp;
-}
-
-float GroveTempSensor::getMax() {
-   if (!minMaxDefined)
-      getTemp();
-   return maxTemp;
-}
\ No newline at end of file